[The cheer fades into something like fondness, a little bit melancholy, as he looks back at Luke.]

...It's true that I've been concerned for your well-being, given...the unusual circumstances. And it's out of that same concern that I've kept my distance as well.

[He pauses, hesitating, but...why draw it out any longer?]

After all, reminding you of that other life only seems to cause you pain.